Sensirion
product pages:
https://sensirion.com/products/catalog/SHT30-DIS-B
https://sensirion.com/products/catalog/SHT31-DIS-B
https://sensirion.com/products/catalog/SHT33-DIS
https://sensirion.com/products/catalog/SHT35-DIS-B
datasheets
https://sensirion.com/media/documents/213E6A3B/63A5A569/Datasheet_SHT3x_DIS.pdf
https://sensirion.com/media/documents/40D749F7/65D61534/HT_AN_AlertMode.pdf
Local copy
Sensors SHT35, SHT31 and SHT30
Chinese modules price: 2.5-6$
Adafruit SHT31 module price: 18$ or 50$ on AliExpress
Library: arduino-sht (github)
I2C device address, 0x44 or 0x45
Connect
Chinese modules Test Results
Other sensor test examples
Sensors test examples:
v1 draft multiple humidity sensors comparision
Test 1 with SD datalogging 2 mux 20 hours
Test 1 SD Datalog with AHT10 and high humidity
Test 5 v5 saturated salt solution
Test 4 v6 Saturated NaCl solution
Test 2 v7 room RH12 low humidity
Test 3 v7 balcony RH15-92 changing humidity
Test 4 v8 RH12 to RH94#SensirionSensorsHumidity
Test 1 v8b Balcony high to mid RH